
Pocket Watches · Pocket watch
International Watch Co. pocket watch, circa 1890
- Maker / attribution
- International Watch Co. (brand / maker)
- Date
- c. 1890
- Historical period
- Industrial Revolution (1850 – 1900)
- Country of origin
- Switzerland
- Object type
- Pocket watch
- Materials / technique
- 18k gold
- Dimensions
- diameter 49 mm
- Auction house
- Antiquorum auction archive, Geneva
- Lot
- Lot 350-51
- Credit line
- Auction lot record: LOT 51, Geneva,May 9, 2022
- Catalogue title (original)
- INTERNATIONAL WATCH & Co (English)
View the source record (auction lot) ↗ (opens another website in a new tab)Suggest a correction
Record summary
Catalogued by Antiquorum auction archive, Geneva (lot Lot 350-51), this is a pocket watch by International Watch Co., made in Switzerland, dated c. 1890. The Atlas places it in the Industrial Revolution period (1850 – 1900) of its Pocket Watches collection. Materials and techniques recorded by the source: 18k gold. Recorded dimensions: diameter 49 mm. The record is illustrated with 1 photograph.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Antiquorum catalogue description
Very fine open face, keyless, 18K gold pocket.
Lot specifications (Antiquorum)
Movement No.: 255598; Case No.: 271856; Material: 18K yellow gold; Caliber: 18''', 15 jewels; Diameter: 49 mm.; Signature: Dial and movement
Inscriptions & marks
Dial and movement
Historical context
Industrial Revolution (1850 – 1900)
American interchangeable-parts manufacture; railroad time standards; Swiss and German factory systems.
Machine production with interchangeable parts, pioneered by Waltham (1850s) and adopted by Elgin, Longines, Omega and others, made reliable lever watches widely affordable. Keyless winding became standard, railroad watch standards were introduced (1890s), and Swiss and American industries competed globally.
Read the period in the timelineMore pocket watches from this periodEarlier: Precision & Scientific Horology
Atlas type guide
Pocket watches
The pocket watch was the dominant personal timekeeper from the late seventeenth century until the First World War. Its development tracks the history of the escapement: verge watches with fusees until the late eighteenth century; Thomas Mudge's lever escapement (c. 1755) and the cylinder escapement popularised by George Graham and later by Swiss makers; and the Swiss and English lever watches of the nineteenth century. Lépine's bar-bridge calibre and keyless winding made watches thinner and easier to use.
Industrialisation transformed the trade: American factories such as Waltham (from 1850) and Elgin produced interchangeable parts by machine, and Swiss makers responded with their own mechanisation after the 1876 Philadelphia Exhibition. By 1900 a reliable watch was affordable to millions; the finest makers continued to produce complications and precision watches.
What to look for
- The escapement: verge (crown wheel), cylinder, duplex, English or Swiss lever.
- Key winding (a square arbor in dial or back) or keyless crown winding.
- Signatures and serial numbers on the movement, dial and inside case back.
- Hallmarks, case maker's marks and gold or silver standards stamped in the case.
- Dial material: enamel, silver, gold, later printed metal.
Dating clues
- Verge watches dominate before c. 1800; cylinder watches c. 1770–1900; lever watches after c. 1820.
- Keyless winding: increasingly common after c. 1860.
- Manufacturer serial number lists exist for Waltham, Elgin, Longines, Omega, Patek Philippe and others.
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
Read next:Verge escapementDetached lever escapementFuseeIdentification Centre
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